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Cab vs Null - What's the difference?

cab | null |

As an initialism cab

is (us) (civil aeronautics board).

As a noun null is

zero, nil; the cardinal number before einn.

cab

English

Etymology 1

Noun

(en noun)
  • A taxi; a taxicab.
  • Compartment at the front of a truck or train for the driver
  • Shelter at the top of an air traffic control tower or fire lookout tower
  • Any of several four-wheeled carriages; a cabriolet
  • * 1877 , (Anna Sewell), (Black Beauty)
  • Captain went out in the cab' all the morning. Harry came in after school to feed me and give me water. In the afternoon I was put into the ' cab . Jerry took as much pains to see if the collar and bridle fitted comfortably as if he had been John Manly over again. When the crupper was let out a hole or two it all fitted well. There was no check-rein, no curb, nothing but a plain ring snaffle. What a blessing that was!
    Derived terms
    * cabbie * cabdriver * hackney cab * king cab * Hansom cab * sleeper cab * crew cab

    Verb

    (cabb)
  • To travel by taxicab.
  • Etymology 2

    From (etyl) .

    Alternative forms

    * kab

    Noun

    (en noun)
  • An ancient Hebrew unit of dry measure, held by some to have been about 1.4 liters, by others about 2.4 liters.
  • * 1646 , Sir Thomas Browne, Pseudodoxia Epidemica , III.3:
  • Etymology 3

    Noun

    (en noun)
  • (video games, informal) An arcade cabinet; the unit in which a video game is housed in a gaming arcade.
  • References
    * [http://groups.google.co.uk/groups/search?q=%22arcade+cabs%22&btnG=Search&sitesearch=groups.google.com]

    Anagrams

    * * * * ----

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • Something that has no force or meaning.
  • (computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  • (computing) the attribute of an entity that has no valid value.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.
  • absent or non-existent
  • (mathematics) of the null set
  • (mathematics) of or comprising a value of precisely zero
  • (genetics, of a mutation) causing a complete loss of gene function, amorphic.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----